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AS745
AS745 Air Force Systems Networking
AFCONC-BLOCK2-AS - Air Force Systems Networking · registered in the United States
IPv4 addresses 33,280 57 prefixes · 0.001% of announced IPv4
Rank in United States #1,703 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #4,723 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 57 prefixes, in address order.
6.64.121.0/24 130.16.241.0/24 134.152.88.0/22 134.152.98.0/23 134.152.100.0/22 134.152.118.0/23 140.185.12.0/24 140.185.30.0/23 140.185.64.0/22 140.185.70.0/24 140.185.167.0/24 140.185.171.0/24 140.185.183.0/24 140.185.184.0/24 140.185.196.0/24 140.185.204.0/24 140.185.220.0/23 155.27.64.0/24 155.27.66.0/24 155.27.75.0/24 155.27.79.0/24 155.27.82.0/23 155.27.84.0/22 155.27.88.0/21 155.27.96.0/20 155.27.112.0/23 155.27.118.0/23 155.27.120.0/23 155.27.122.0/24 155.27.127.0/24 155.27.128.0/22 155.27.132.0/23 155.27.138.0/23 155.27.140.0/22 160.136.160.0/21 160.136.172.0/22 160.136.182.0/23 214.14.2.0/24 214.14.9.0/24 214.14.10.0/24 214.14.20.0/24 214.14.80.0/23 214.14.95.0/24 214.14.168.0/22 214.14.173.0/24 214.14.205.0/24 214.14.206.0/23 214.14.220.0/24 214.18.31.0/24 214.18.40.0/24 214.18.141.0/24 214.18.149.0/24 214.18.167.0/24 214.18.181.0/24 214.18.185.0/24 214.55.24.0/21 214.55.52.0/24
Other ASNs named Air Force Systems Networking
17 other networks use the same organisation name; together with AS745 they announce 883,200 IPv4 addresses.
ASN Name IPv4 addresses
AS391 AFCONC-BLOCK1-AS - Air Force Systems Networking US 283,648 AS409 AFCONC-BLOCK1-AS - Air Force Systems Networking US 269,312 AS399 AFCONC-BLOCK1-AS - Air Force Systems Networking US 153,600 AS427 AFCONC-BLOCK1-AS - Air Force Systems Networking US 133,120 AS485 AFCONC-BLOCK1-AS - Air Force Systems Networking US 2,304 AS400 AFCONC-BLOCK1-AS - Air Force Systems Networking US 2,048 AS500 AFCONC-BLOCK1-AS - Air Force Systems Networking US 1,536 AS501 AFCONC-BLOCK1-AS - Air Force Systems Networking US 1,024 AS65 AF-RASN-65 - Air Force Systems Networking US 512 AS406 AFCONC-BLOCK1-AS - Air Force Systems Networking US 512 AS467 AFCONC-BLOCK1-AS - Air Force Systems Networking US 512 AS468 AFCONC-BLOCK1-AS - Air Force Systems Networking US 512 AS384 AFCONC-BLOCK1-AS - Air Force Systems Networking US 256 AS405 AFCONC-BLOCK1-AS - Air Force Systems Networking US 256 AS408 AFCONC-BLOCK1-AS - Air Force Systems Networking US 256 AS461 AFCONC-BLOCK1-AS - Air Force Systems Networking US 256 AS463 AFCONC-BLOCK1-AS - Air Force Systems Networking US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS393552 #1700 COL-LPC - Longmont Power & Communications33,280 AS19905 #1701 SECURITYSERVICES - Vercara, LLC33,280 AS14209 #1702 UT-CHATTANOOGA - University of Tennessee at Chattanooga33,280 AS3375 #1704 MCI-ASN - Verizon Business33,280 AS10279 #1705 WCCL-AS - West Carolina Communications, LLC33,280 AS14299 #1706 ADP1 - Automatic Data Processing, Inc.33,280
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources